class_docstr: This class is intended to represent a set of inter-subject regions
  It should inherit from some abstract multiple ROI class,
  not implemented yet.
docstr: function to print basic information on self
          
docstr_tok: ["function","to","print","basic","information","on","self"]
code: def show(self):
      """function to print basic information on self"""
      centers = self.centers()
      subjects = self.subjects
      prevalence = self.roi_prevalence()
      print("index", "prevalence", "mean_position", "individuals")
      for i in range(self.k):
          print(i, prevalence[i], centers[i], np.unique(subjects[i]))
  
file_path: nipy/nipy/labs/spatial_models/structural_bfls.py
imports: import numpy
  from scipy import stats
label_desc: Use image node_id 5 for calling the LandmarkRegions obj's underlying member method code with example usage: obj.show() without return types